What is the Least Common Multiple of 43720 and 43736?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 43720 and 43736 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43720 and 43736, than apply into the LCM equation.

GCF(43720,43736) = 8
LCM(43720,43736) = ( 43720 × 43736) / 8
LCM(43720,43736) = 1912137920 / 8
LCM(43720,43736) = 239017240

Least Common Multiple (LCM) of 43720 and 43736 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43720 and 43736. First we will calculate the prime factors of 43720 and 43736.

Prime Factorization of 43720

Prime Factorization of 43736

Now multiplying the highest exponent prime factors to calculate the LCM of 43720 and 43736.

LCM(43720,43736) = 2³ × 5¹ × 1093¹ × 7¹ × 11¹ × 71¹
LCM(43720,43736) = 239017240